/*---------------------------------------------------------------------------*\
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    Copyright (C) 2013-2019 FOSS GP
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    This file is part of OpenFOAM.

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Class
    Foam::objectives::objectivePtLosses

Description

SourceFiles
    objectivePtLosses.C

\*---------------------------------------------------------------------------*/

#ifndef objectivePtLosses_H
#define objectivePtLosses_H

#include "objectiveIncompressible.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

namespace objectives
{

/*---------------------------------------------------------------------------*\
                      Class objectivePtLosses Declaration
\*---------------------------------------------------------------------------*/

class objectivePtLosses
:
    public objectiveIncompressible
{
    // Private data

        //- Patches on which to compute losses
        labelList patches_;

        //- Total pressure per patch on patches_
        scalarField patchPt_;


public:

    //- Runtime type information
    TypeName("PtLosses");


    // Constructors

        //- from components
        objectivePtLosses
        (
            const fvMesh& mesh,
            const dictionary& dict,
            const word& adjointSolverName,
            const word& primalSolverName
        );


    //- Destructor
    virtual ~objectivePtLosses() = default;


    // Member Functions

        //- Return the objectiveReportPatches
        void initialize();

        //- Return the objective function value
        scalar J();

        //- Update values to be added to the adjoint inlet velocity
        void update_boundarydJdp();

        //- Update values to be added to the adjoint outlet velocity
        void update_boundarydJdv();

        //- Update values to be added to the adjoint outlet pressure
        void update_boundarydJdvn();

        //- Update values to be added to the adjoint outlet tangential velocity
        void update_boundarydJdvt();

        //- Write objective function values and its contrituents
        virtual bool write(const bool valid = true) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace objectivePtLosses
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //
